﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Demo
{
    class SumUtils
    {
        public void Compute(int a,int b)
        {
            Console.WriteLine("两个整数的和为："+(a + b));
        }
        public void Compute(double a, double b)
        {
            Console.WriteLine("两个小数的和为：" + (a + b));
        }
        public void Compute(string a, string b)
        {
            Console.WriteLine("两个字符串相加为：" + (a + b));
        }
        public void Compute(int a)
        {
            int sum = 0;
            for (int i = 1; i <= a; i++)
            {
                sum += i;
            }
            Console.WriteLine("1到{0}的整数和为："+sum,a);
        }
    }
}
